Sanitary materials are the smallest in scope, generally non-woven masks, disposable sanitary garments, medical skimming gauze pads, etc.
A sanitary material belongs to only one kind of medical consumables, medical consumables include a wider range of all expendable medical supplies belong to the consumables, such as a certain such as an instrument needs to be inserted into the card, and this card is a disposable one, the card is a consumable.
Medical devices have the widest range, and the country is divided into three categories of management, Class I, Class II, Class III, and there are many categories under each category.